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Posted to issues@kylin.apache.org by "Billy Liu (JIRA)" <ji...@apache.org> on 2018/03/13 00:14:00 UTC

[jira] [Resolved] (KYLIN-3271) Optimize sub-path check of ResourceTool

     [ https://issues.apache.org/jira/browse/KYLIN-3271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Billy Liu resolved KYLIN-3271.
------------------------------
    Resolution: Fixed

> Optimize sub-path check of ResourceTool
> ---------------------------------------
>
>                 Key: KYLIN-3271
>                 URL: https://issues.apache.org/jira/browse/KYLIN-3271
>             Project: Kylin
>          Issue Type: Improvement
>          Components: Metadata
>    Affects Versions: v2.2.0
>            Reporter: nichunen
>            Assignee: nichunen
>            Priority: Minor
>             Fix For: v2.4.0
>
>
> kylin uses class org.apache.kylin.common.persistence.ResourceTool to do metadata download, upload, remove, etc. The algorithm for resource transversal is not very effective. For instance, for an "execute_output" with key "/execute_output/\{uuid}", the algorithm will try to check whether it's a folder with sub-resources, this makes un-necessary time cost, and in cases of metadata with lots of jobs, it may last for a long time before the finish.



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